99 lines
4.1 KiB
C++
99 lines
4.1 KiB
C++
/*************************************************************************/
|
|
/* resource_saver_png.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "resource_saver_png.h"
|
|
|
|
#include "core/image.h"
|
|
#include "core/os/file_access.h"
|
|
#include "drivers/png/png_driver_common.h"
|
|
#include "scene/resources/texture.h"
|
|
|
|
Error ResourceSaverPNG::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
|
|
|
|
Ref<ImageTexture> texture = p_resource;
|
|
|
|
ERR_FAIL_COND_V_MSG(!texture.is_valid(), ERR_INVALID_PARAMETER, "Can't save invalid texture as PNG.");
|
|
ERR_FAIL_COND_V_MSG(!texture->get_width(), ERR_INVALID_PARAMETER, "Can't save empty texture as PNG.");
|
|
|
|
Ref<Image> img = texture->get_data();
|
|
|
|
Error err = save_image(p_path, img);
|
|
|
|
return err;
|
|
};
|
|
|
|
Error ResourceSaverPNG::save_image(const String &p_path, const Ref<Image> &p_img) {
|
|
|
|
PoolVector<uint8_t> buffer;
|
|
Error err = PNGDriverCommon::image_to_png(p_img, buffer);
|
|
ERR_FAIL_COND_V_MSG(err, err, "Can't convert image to PNG.");
|
|
FileAccess *file = FileAccess::open(p_path, FileAccess::WRITE, &err);
|
|
ERR_FAIL_COND_V_MSG(err, err, vformat("Can't save PNG at path: '%s'.", p_path));
|
|
|
|
PoolVector<uint8_t>::Read reader = buffer.read();
|
|
|
|
file->store_buffer(reader.ptr(), buffer.size());
|
|
if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
|
|
memdelete(file);
|
|
return ERR_CANT_CREATE;
|
|
}
|
|
|
|
file->close();
|
|
memdelete(file);
|
|
|
|
return OK;
|
|
}
|
|
|
|
PoolVector<uint8_t> ResourceSaverPNG::save_image_to_buffer(const Ref<Image> &p_img) {
|
|
|
|
PoolVector<uint8_t> buffer;
|
|
Error err = PNGDriverCommon::image_to_png(p_img, buffer);
|
|
ERR_FAIL_COND_V_MSG(err, PoolVector<uint8_t>(), "Can't convert image to PNG.");
|
|
return buffer;
|
|
}
|
|
|
|
bool ResourceSaverPNG::recognize(const RES &p_resource) const {
|
|
|
|
return (p_resource.is_valid() && p_resource->is_class("ImageTexture"));
|
|
}
|
|
|
|
void ResourceSaverPNG::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
|
|
|
|
if (Object::cast_to<ImageTexture>(*p_resource)) {
|
|
p_extensions->push_back("png");
|
|
}
|
|
}
|
|
|
|
ResourceSaverPNG::ResourceSaverPNG() {
|
|
|
|
Image::save_png_func = &save_image;
|
|
Image::save_png_buffer_func = &save_image_to_buffer;
|
|
};
|